CISM Certified Information Security Manager – Question0649 - CISM Certified Information Security Manager

The BEST metric for evaluating the effectiveness of a firewall is the:

A. number of attacks blocked.
B. number of packets dropped.
C. average throughput rate.
D. number of firewall rules.

Correct Answer: A

Explanation:

Explanation:
The number of attacks blocked indicates whether a firewall is performing as intended. The number of packets dropped does not necessarily indicate the level of effectiveness. The number of firewall rules and the average throughput rate are not effective measurements.